/*
 * Copyright (c) 2002 Boris Pruessmann and others. All rights reserved. This
 * program and the accompanying materials are made available under the terms of
 * the Common Public License v0.5 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors: Boris Pruessmann - Initial implementation.
 */
package net.sourceforge.perforce.ui.model;

import java.lang.reflect.InvocationTargetException;

import net.sourceforge.perforce.core.PerforceException;
import net.sourceforge.perforce.core.api.IPerforceServer;
import net.sourceforge.perforce.ui.IPerforceUIConstants;
import net.sourceforge.perforce.ui.PerforceUIPlugin;
import net.sourceforge.perforce.ui.internal.Policy;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.model.IWorkbenchAdapter;

/**
 * @version $Revision: 488 $
 * @author <a href="mailto:bpruessmann@users.sourceforge.net">Boris
 *         Pruessmann</a>
 */
public class DepotContainerElement extends PerforceModelElement implements IWorkbenchAdapter,
    IAdaptable {
  // ---------------------------------------------------------------------------
  // Private Variables

  /** Stores the Perforce Server. */
  private IPerforceServer server;

  // -------------------------------------------------------------------------
  // Public Constructors

  /**
   * Constructor for DepotContainerElement.
   * 
   * @param server reference to the Perforce server.
   */
  public DepotContainerElement(IPerforceServer server) {
    this.server = server;
  }

  // ---------------------------------------------------------- Public Methods
  // (IWorkbenchAdapter)

  /** @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(Object) */
  public Object[] getChildren(Object o) {
    if (!(o instanceof DepotContainerElement)) {
      return new Object[0];
    }

    final Object[][] result = new Object[1][];

    Shell shell = new Shell(Display.getDefault());
    try {
      run(true, false, new IRunnableWithProgress() {
        @SuppressWarnings("unused")
        // InterruptedException
        public void run(IProgressMonitor monitor) throws InvocationTargetException,
            InterruptedException {
          try {
            result[0] = getServer().members(monitor);
          } catch (PerforceException e) {
            throw new InvocationTargetException(e);
          }
        }
      });
    } catch (InvocationTargetException e) {
      handle(e);
    } catch (InterruptedException e) {
      handle(e);
    } finally {
      shell.dispose();
    }

    return result[0];
  }

  /** @see org.eclipse.ui.model.IWorkbenchAdapter#getImageDescriptor(Object) */
  public ImageDescriptor getImageDescriptor(Object o) {
    if (!(o instanceof DepotContainerElement)) {
      return null;
    }

    return PerforceUIPlugin.getPlugin().getImageDescriptor(IPerforceUIConstants.IMG_HEAD_REV);
  }

  /** @see org.eclipse.ui.model.IWorkbenchAdapter#getLabel(Object) */
  public String getLabel(Object o) {
    if (!(o instanceof DepotContainerElement)) {
      return null;
    }

    return Policy.bind("DepotContainerElement.getLabel");
  }

  /** @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(Object) */
  public Object getParent(Object o) {
    return null;
  }

  // ----------------------------------------------------------------- Public
  // Methods (IAdaptable)

  @SuppressWarnings("unchecked")
  // adapter
  public Object getAdapter(Class adapter) {
    if (adapter == IWorkbenchAdapter.class) {
      return this;
    }

    return null;
  }

  //----------------------------------------------------------------------------
  // -- Public Methods

  /**
   * Call this method to get the server reference.
   * 
   * @return the perforce server.
   */
  public IPerforceServer getServer() {
    return server;
  }
}
